20003231022349 has 2 divisors, whose sum is σ = 20003231022350. Its totient is φ = 20003231022348.

The previous prime is 20003231022251. The next prime is 20003231022389. The reversal of 20003231022349 is 94322013230002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19996038286249 + 7192736100 = 4471693^2 + 84810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003231022349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20003231022349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003231022389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001615511174 + 10001615511175.

It is an arithmetic number, because the mean of its divisors is an integer number (10001615511175).

Almost surely, 2^{20003231022349} is an apocalyptic number.

It is an amenable number.

20003231022349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003231022349 is an equidigital number, since it uses as much as digits as its factorization.

20003231022349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 20003231022349 in words is "twenty trillion, three billion, two hundred thirty-one million, twenty-two thousand, three hundred forty-nine".